2021 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2021
• Mileage: 34,300 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 34,300 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 20,900 fewer miles than a typical 2021 BMW 3 Series. Priced at £21,250, it is advertised £790 below the AskCar estimate of £22,040. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 122 days ago. Its asking price has since fallen by £740. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at S James Prestige in Stamford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £790 (3%) under the AskCar estimate of £22,040.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 122 days.

Price history

AskCar first saw this advert on 7 July 2026 at £21,990. Its asking price is now £21,250, £740 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 8 July 2026: £21,990
• 28 August 2026: £21,750
• 30 September 2026: £21,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 5 June 2027.

It has had 3 MOTs. The latest, on 3 June 2026, passed.

Advisories at the latest test: offside front lower suspension arm ball joint has slight play o/s/f, front lower suspension arm ball joint has slight play; offside front shock absorbers has a reduced damping effect.

Mileage at that test: 34,066 miles, which matches the advertised 34,300 miles.

Advertised mileage is about 20,900 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

143 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £14,000 to £25,975, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 34,314 miles. Price: £20,799, £451 less than this car. Dealer: Motorpoint Newport in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e96c45f510e7
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,278 miles. Price: £20,999, £251 less than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fee4b6de3163
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,100 miles. Price: £21,950, £700 more than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-507da5e20e47

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey, under a mile from this car. Mileage: 51,700 miles. Price: £19,990, £1,260 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1cf346fd03dc